Introduction to ethnic costumes and production techniques: The content of "Ethnic Costumes and Production Techniques" is divided into two parts: traditional costumes and costume production techniques. The "Traditional Clothing" section includes three units: "Early Clothing", "Everyday Clothing and Dress Up", and "Religious Sacrifice Clothing"; the "Clothing Production Technology" section includes "Weaving and Textile", "Printing and Dyeing and Embroidery", and "Accessories and Processing" "Three units.